builtin-config.con commit xsize_t: check whether we lose bits (46be82d)
   1#include "builtin.h"
   2#include "cache.h"
   3
   4static const char git_config_set_usage[] =
   5"git-config [ --global ] [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_name | --list";
   6
   7static char *key;
   8static regex_t *key_regexp;
   9static regex_t *regexp;
  10static int show_keys;
  11static int use_key_regexp;
  12static int do_all;
  13static int do_not_match;
  14static int seen;
  15static enum { T_RAW, T_INT, T_BOOL } type = T_RAW;
  16
  17static int show_all_config(const char *key_, const char *value_)
  18{
  19        if (value_)
  20                printf("%s=%s\n", key_, value_);
  21        else
  22                printf("%s\n", key_);
  23        return 0;
  24}
  25
  26static int show_config(const char* key_, const char* value_)
  27{
  28        char value[256];
  29        const char *vptr = value;
  30        int dup_error = 0;
  31
  32        if (!use_key_regexp && strcmp(key_, key))
  33                return 0;
  34        if (use_key_regexp && regexec(key_regexp, key_, 0, NULL, 0))
  35                return 0;
  36        if (regexp != NULL &&
  37                         (do_not_match ^
  38                          regexec(regexp, (value_?value_:""), 0, NULL, 0)))
  39                return 0;
  40
  41        if (show_keys)
  42                printf("%s ", key_);
  43        if (seen && !do_all)
  44                dup_error = 1;
  45        if (type == T_INT)
  46                sprintf(value, "%d", git_config_int(key_, value_?value_:""));
  47        else if (type == T_BOOL)
  48                vptr = git_config_bool(key_, value_) ? "true" : "false";
  49        else
  50                vptr = value_?value_:"";
  51        seen++;
  52        if (dup_error) {
  53                error("More than one value for the key %s: %s",
  54                                key_, vptr);
  55        }
  56        else
  57                printf("%s\n", vptr);
  58
  59        return 0;
  60}
  61
  62static int get_value(const char* key_, const char* regex_)
  63{
  64        int ret = -1;
  65        char *tl;
  66        char *global = NULL, *repo_config = NULL;
  67        const char *system_wide = NULL, *local;
  68
  69        local = getenv(CONFIG_ENVIRONMENT);
  70        if (!local) {
  71                const char *home = getenv("HOME");
  72                local = getenv(CONFIG_LOCAL_ENVIRONMENT);
  73                if (!local)
  74                        local = repo_config = xstrdup(git_path("config"));
  75                if (home)
  76                        global = xstrdup(mkpath("%s/.gitconfig", home));
  77                system_wide = ETC_GITCONFIG;
  78        }
  79
  80        key = xstrdup(key_);
  81        for (tl=key+strlen(key)-1; tl >= key && *tl != '.'; --tl)
  82                *tl = tolower(*tl);
  83        for (tl=key; *tl && *tl != '.'; ++tl)
  84                *tl = tolower(*tl);
  85
  86        if (use_key_regexp) {
  87                key_regexp = (regex_t*)xmalloc(sizeof(regex_t));
  88                if (regcomp(key_regexp, key, REG_EXTENDED)) {
  89                        fprintf(stderr, "Invalid key pattern: %s\n", key_);
  90                        goto free_strings;
  91                }
  92        }
  93
  94        if (regex_) {
  95                if (regex_[0] == '!') {
  96                        do_not_match = 1;
  97                        regex_++;
  98                }
  99
 100                regexp = (regex_t*)xmalloc(sizeof(regex_t));
 101                if (regcomp(regexp, regex_, REG_EXTENDED)) {
 102                        fprintf(stderr, "Invalid pattern: %s\n", regex_);
 103                        goto free_strings;
 104                }
 105        }
 106
 107        if (do_all && system_wide)
 108                git_config_from_file(show_config, system_wide);
 109        if (do_all && global)
 110                git_config_from_file(show_config, global);
 111        git_config_from_file(show_config, local);
 112        if (!do_all && !seen && global)
 113                git_config_from_file(show_config, global);
 114        if (!do_all && !seen && system_wide)
 115                git_config_from_file(show_config, system_wide);
 116
 117        free(key);
 118        if (regexp) {
 119                regfree(regexp);
 120                free(regexp);
 121        }
 122
 123        if (do_all)
 124                ret = !seen;
 125        else
 126                ret = (seen == 1) ? 0 : seen > 1 ? 2 : 1;
 127
 128free_strings:
 129        free(repo_config);
 130        free(global);
 131        return ret;
 132}
 133
 134int cmd_config(int argc, const char **argv, const char *prefix)
 135{
 136        int nongit = 0;
 137        setup_git_directory_gently(&nongit);
 138
 139        while (1 < argc) {
 140                if (!strcmp(argv[1], "--int"))
 141                        type = T_INT;
 142                else if (!strcmp(argv[1], "--bool"))
 143                        type = T_BOOL;
 144                else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
 145                        return git_config(show_all_config);
 146                else if (!strcmp(argv[1], "--global")) {
 147                        char *home = getenv("HOME");
 148                        if (home) {
 149                                char *user_config = xstrdup(mkpath("%s/.gitconfig", home));
 150                                setenv("GIT_CONFIG", user_config, 1);
 151                                free(user_config);
 152                        } else {
 153                                die("$HOME not set");
 154                        }
 155                }
 156                else if (!strcmp(argv[1], "--system"))
 157                        setenv("GIT_CONFIG", ETC_GITCONFIG, 1);
 158                else if (!strcmp(argv[1], "--rename-section")) {
 159                        int ret;
 160                        if (argc != 4)
 161                                usage(git_config_set_usage);
 162                        ret = git_config_rename_section(argv[2], argv[3]);
 163                        if (ret < 0)
 164                                return ret;
 165                        if (ret == 0) {
 166                                fprintf(stderr, "No such section!\n");
 167                                return 1;
 168                        }
 169                        return 0;
 170                }
 171                else
 172                        break;
 173                argc--;
 174                argv++;
 175        }
 176
 177        switch (argc) {
 178        case 2:
 179                return get_value(argv[1], NULL);
 180        case 3:
 181                if (!strcmp(argv[1], "--unset"))
 182                        return git_config_set(argv[2], NULL);
 183                else if (!strcmp(argv[1], "--unset-all"))
 184                        return git_config_set_multivar(argv[2], NULL, NULL, 1);
 185                else if (!strcmp(argv[1], "--get"))
 186                        return get_value(argv[2], NULL);
 187                else if (!strcmp(argv[1], "--get-all")) {
 188                        do_all = 1;
 189                        return get_value(argv[2], NULL);
 190                } else if (!strcmp(argv[1], "--get-regexp")) {
 191                        show_keys = 1;
 192                        use_key_regexp = 1;
 193                        do_all = 1;
 194                        return get_value(argv[2], NULL);
 195                } else
 196
 197                        return git_config_set(argv[1], argv[2]);
 198        case 4:
 199                if (!strcmp(argv[1], "--unset"))
 200                        return git_config_set_multivar(argv[2], NULL, argv[3], 0);
 201                else if (!strcmp(argv[1], "--unset-all"))
 202                        return git_config_set_multivar(argv[2], NULL, argv[3], 1);
 203                else if (!strcmp(argv[1], "--get"))
 204                        return get_value(argv[2], argv[3]);
 205                else if (!strcmp(argv[1], "--get-all")) {
 206                        do_all = 1;
 207                        return get_value(argv[2], argv[3]);
 208                } else if (!strcmp(argv[1], "--get-regexp")) {
 209                        show_keys = 1;
 210                        use_key_regexp = 1;
 211                        do_all = 1;
 212                        return get_value(argv[2], argv[3]);
 213                } else if (!strcmp(argv[1], "--add"))
 214                        return git_config_set_multivar(argv[2], argv[3], "^$", 0);
 215                else if (!strcmp(argv[1], "--replace-all"))
 216
 217                        return git_config_set_multivar(argv[2], argv[3], NULL, 1);
 218                else
 219
 220                        return git_config_set_multivar(argv[1], argv[2], argv[3], 0);
 221        case 5:
 222                if (!strcmp(argv[1], "--replace-all"))
 223                        return git_config_set_multivar(argv[2], argv[3], argv[4], 1);
 224        case 1:
 225        default:
 226                usage(git_config_set_usage);
 227        }
 228        return 0;
 229}